MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which device is popularly used for measuring difference of low pressure? |
| A. | Inverted U-tube Differential Manometer |
| B. | U-tube Differential Manometer |
| C. | Inclined Single column manometer |
| D. | Vertical Single column manometer |
| Answer» B. U-tube Differential Manometer | |
| 2. |
Differential manometer gives the pressure reading with respect to atmospheric pressure. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The distance moved by liquid will be more in which type of manometer? |
| A. | Inclined Single coloumn manometer |
| B. | Vertical Single coloumn manometer |
| C. | Horizontal Single coloumn manometer |
| D. | None of the mentioned |
| Answer» B. Vertical Single coloumn manometer | |
| 4. |
Manometers are the pressure measuring devices which use the principle of dynamic pressure to measure the pressure difference. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
A Differential manometer is connected at the points A and Bat the centre of two pipes. The pipe A(left limb) contains a liquid of specific gravity = 1.5 while pipe B (right limb)contains a liquid of specific gravity 0.85. The pressure at A and B are .5 kgf/cm2 and 1.2 kgf/cm2 respectively. Find the difference in level of mercuru in the differential manometer. A is 2.5m above B and 5 m above the mercury in its own limb. B is 2.5 m above the mercury level in limb A. |
| A. | 12.7 cm |
| B. | contains a liquid of specific gravity = 1.5 while pipe B (right limb)contains a liquid of specific gravity 0.85. The pressure at A and B are .5 kgf/cm2 and 1.2 kgf/cm2 respectively. Find the difference in level of mercuru in the differential manometer. A is 2.5m above B and 5 m above the mercury in its own limb. B is 2.5 m above the mercury level in limb A.a) 12.7 cmb) 25.5 cm |
| C. | 6.28 cm |
| D. | 10.85 cm |
| Answer» B. contains a liquid of specific gravity = 1.5 while pipe B (right limb)contains a liquid of specific gravity 0.85. The pressure at A and B are .5 kgf/cm2 and 1.2 kgf/cm2 respectively. Find the difference in level of mercuru in the differential manometer. A is 2.5m above B and 5 m above the mercury in its own limb. B is 2.5 m above the mercury level in limb A.a) 12.7 cmb) 25.5 cm | |
| 6. |
DIFFERENTIAL_MANOMETER_GIVES_THE_PRESSURE_READING_WITH_RESPECT_TO_ATMOSPHERIC_PRESSURE.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
THE_DISTANCE_MOVED_BY_LIQUID_WILL_BE_MORE_IN_WHICH_TYPE_OF_MANOMETER??$ |
| A. | Inclined Single coloumn manometer |
| B. | Vertical Single coloumn manometer |
| C. | Horizontal Single coloumn manometer |
| D. | None of the mentioned |
| Answer» C. Horizontal Single coloumn manometer | |
| 8. |
Manometers are the pressure measuring devices which use the principle of dynamic pressure to measure the pressure difference? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Why is large reservoir used in single column manometer? |
| A. | In order to enhance the change in level of liquid in reservoir |
| B. | In order to negate the effects of change in level due to pressure variation |
| C. | In order to reduce the effect due to dynamic pressure variation due to motion |
| D. | None of the mentioned |
| Answer» C. In order to reduce the effect due to dynamic pressure variation due to motion | |
| 10. |
In the inverted U-tube Differential manometer, how is the specific gravity of manometric fluid used relative to the fluid flowing in the pipes |
| A. | Specific gravity is more than that of fluid flowing in pipes |
| B. | Specific gravity is less than that of fluid flowing in pipes |
| C. | Specific gravity is equal to that of fluid flowing in pipes |
| D. | None of the mentioned |
| Answer» C. Specific gravity is equal to that of fluid flowing in pipes | |
| 11. |
An inverted differential manometer is connected to two pipes A and B which covey water. The fluid in manometer is oil of specific gravity 0.75. For the manometer readings, find the pressure difference between A and B. Datum in left limb is 40 cm above point A. Point B is 60 cm below datum line. Difference in level of fluid is 20 cm. |
| A. | 1471 N/m<sup>2</sup> |
| B. | 2943 N/m<sup>2</sup> |
| C. | 735.75 N/m<sup>2</sup> |
| D. | None of the mentioned |
| Answer» B. 2943 N/m<sup>2</sup> | |
| 12. |
A Differential manometer is connected at the points A and Bat the centre of two pipes. The pipe A(left limb) contains a liquid of specific gravity = 1.5 while pipe B (right limb)contains a liquid of specific gravity 0.85. The pressure at A and B are .5 kgf/cm2 and 1.2 kgf/cm2 respectively. Find the difference in level of mercuru in the differential manometer. A is 2.5m above B and 5 m above the mercury in its own limb. B is 2.5 m above the mercury level in limb A. |
| A. | 12.7 cm |
| B. | 25.5 cm |
| C. | 6.28 cm |
| D. | 10.85 cm |
| Answer» B. 25.5 cm | |
| 13. |
A single coloumn manometer is connected to a pipe containing a liquid of specific gravity 0.75. Find the pressure in the pipe if the area of reservoir is 250 times the area of tube for the manometer reading. The difference in mercury level is 40 cm. On the left limb the fluid is upto the height of 20 cm. |
| A. | 10.42 N/cm<sup>2</sup> |
| B. | 5.21 N/cm<sup>2</sup> |
| C. | 2.60 N/cm<sup>2</sup> |
| D. | None of the mentioned |
| Answer» C. 2.60 N/cm<sup>2</sup> | |
| 14. |
The right limb of a simple U-tube manometer containing mercury is open to the atmosphere while the lift limb is connected to a pipe in which a fluid of specific gravity 0.85 is flowing. The centre of the pipe is 14 cm below the level of mercury in the right limb.Evaluate the pressure of fluid flowing in the pipe if the difference of mercury level in the two limbs is 22 cm. |
| A. | 2.86 N/cm<sup>2</sup> |
| B. | 5.73 N/cm<sup>2</sup> |
| C. | 1.43 N/cm<sup>2</sup> |
| D. | None of the mentioned |
| Answer» B. 5.73 N/cm<sup>2</sup> | |